I think you probably mean that you are now a member of Creative Cloud and that you've just downloaded InDesign CC 2014. (If I'm incorrect, just let me know.)
There is a new feature just introduced the past couple days and it's called Creative Cloud Marketplace. Not much has been written about it, but here's the Help file and a posting by Terry White:
The vector files are stored as SVG files which InDesign cannot place. However, you can open them in Illustrator CC and save them as Illustrator AI files which can be placed into InDesign or copied to InDesign.